11013131048 has 8 divisors (see below), whose sum is σ = 20649620730. Its totient is φ = 5506565520.

The previous prime is 11013131047. The next prime is 11013131053. The reversal of 11013131048 is 84013131011.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 10080561604 + 932569444 = 100402^2 + 30538^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (11013131047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 688320683 + ... + 688320698.

Almost surely, 2^11013131048 is an apocalyptic number.

It is an amenable number.

11013131048 is a deficient number, since it is larger than the sum of its proper divisors (9636489682).

11013131048 is a wasteful number, since it uses less digits than its factorization.

11013131048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1376641387 (or 1376641383 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 23.

Adding to 11013131048 its reverse (84013131011), we get a palindrome (95026262059).

The spelling of 11013131048 in words is "eleven billion, thirteen million, one hundred thirty-one thousand, forty-eight".